| Boppard to Cesme | 1,232.12 mi (1,982.91 km) |
| Boppard to Ceyhan | 1,664.89 mi (2,679.38 km) |
| Boppard to Ceylanpinar | 1,849.23 mi (2,976.05 km) |
| Boppard to Cicekdagi | 1,491.63 mi (2,400.54 km) |
| Boppard to Cide | 1,338.92 mi (2,154.78 km) |
| Boppard to Cifteler | 1,363.16 mi (2,193.79 km) |
| Boppard to Ciftlik | 1,558.28 mi (2,507.81 km) |
| Boppard to Ciftlikkoy | 1,236.85 mi (1,990.52 km) |
| Boppard to Cihanbeyli | 1,472.50 mi (2,369.76 km) |
| Boppard to Cildir | 1,806.85 mi (2,907.85 km) |
| Boppard to Cilimli | 1,297.08 mi (2,087.45 km) |
| Boppard to Cinar | 1,826.09 mi (2,938.80 km) |
| Boppard to Cinarcik | 1,229.45 mi (1,978.61 km) |
| Boppard to Cine | 1,333.01 mi (2,145.27 km) |
| Boppard to Civril | 1,362.43 mi (2,192.62 km) |
